Frederick H. Martens Books

A thousand and one nights of opera

By Frederick Herman Martens

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Strange tales from many lands

By Freya Littledale

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Eleven tales from different countries including "The Werewolf" from Spain, "The Inn That Wasn't There" from China, and "The Boy in the Secret Valley" from Iceland.

The Book of the Opera and the Ballet and the History of the Opera

By Frederick H. Martens

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Chinese Fairy Tales

By Frederick H. Martens, Frederick Herman Martens

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Tales selected and adapted from The Chinese fairy book, published in 1921.

Violin Mastery: Interviews with Heifetz, Auer, Kreisler and Others

By Frederick H. Martens, Frederick Herman Martens

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The Chinese Fairy Book

By George W. Hood, Frederick H. Martens, Richard Wilhelm

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Abundant with imperiled princesses, sorcerers both kind and evil, anthropomorphic animals, otherworldly ghosts, and more engaging characters, this captivating collection of yarns from ancient China...

Violin Mastery

By Frederick H. Martens

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The Art of the Prima Donna and Concert Singer

By Frederick H. Martens

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Art of Violin Playing

By Carl Flesch, Frederick H. Martens

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Violin Mastery

By Frederick H. Martens

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.